Family name Katwan (Katwan 
) , throughout the world, is a very rare surname. The surname Katwan is habitual in Jordan, where it is a rare surname, the United States, where it is an extremely rare surname, and Malaysia. Not in comparison with a country's population, it is the most numerous in the United States, Jordan, and the United Kingdom. Much less frequently, Katwan is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Katwan | United Kingdom, Germany, Jordan, United States, Malaysia |